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Q57: <span class="ql-formula" data-value="\left\{ \begin{array} { l }
Q61: <span class="ql-formula" data-value="f ( x ) =
Q63: <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB6730/.jpg" alt=" A) G =
Q68: <span class="ql-formula" data-value="2 + 8 + 18
Q68: (1, 1) 3x + 4y = -1<br>A)
Q80: <span class="ql-formula" data-value="\left\{\begin{array}{l}3 x+y=-7 \\2 x+y=-6\end{array}\right."><span class="katex"><span
Q97: 25y - 5x = -10 <img
Q124: <span class="ql-formula" data-value="\frac { 1 } {
Q170: <span class="ql-formula" data-value="6 ( x + 6
Q174: 4(5x + 1) + 23 = 14x